CN104414238A - Universal headrest device for chair - Google Patents

Abstract

A universal headrest device for a chair. The chair includes two first joint parts spaced apart. The headrest device includes: a pillow unit, and two joint parts respectively connected to the first joint part and the pillow. Shelf units between units. Each frame unit includes a bracket, each bracket has a handle segment, and a chair link segment connecting the handle segment and one of the first coupling parts, and each chair link segment has a handle segment that is coupled to the corresponding A second joint on the first joint. The present invention can provide a user's head rest through the pillow unit, reduce the user's neck burden, and indeed increase the comfort of use.

Description

Universal headrest for chairs

technical field

The invention relates to a headrest device, in particular to a universal headrest device for chairs.

Background technique

Generally, chairs such as office chairs, chairs used in vehicles, chairs used in movie theaters, wheelchairs, chairs for mobility aids, or chairs for electric scooters usually have a seat for the user to sit on, and a A chair back for the user to lean against. When in use, the seat can support the user's buttocks and legs, and the chair back can support the user's back and waist.

However, the general chairs on the market are rarely designed to support the user's head, so when the user sits on the aforementioned chair for a long time, the body and neck will unconsciously lean forward, and the aforementioned bad posture will It will increase the burden on the user's neck and make it less comfortable, and it will also cause bone or muscle lesions in the neck for a long time, thus detrimental to the health of the user.

Contents of the invention

The object of the present invention is to provide a universal headrest device of a chair which can reduce the burden on the user's neck and increase the comfort of use.

The universal headrest device of the chair according to the present invention, the chair includes two spaced first joint parts, and the headrest device comprises: a headrest unit, and two joints respectively combined with the first joint part and the backrest Rack unit between units. Each frame unit includes a bracket, each bracket has a handle section, and a chair link section connecting the handle section with one of the first joint parts, and each chair link section has a chair link section combined with the corresponding The second joint on the first joint.

In the universal headrest device of the chair according to the present invention, the handle section of each bracket extends in the long direction, and the handle sections are inclined to each other and the included angle with a plumb line is 0-30 degrees, and The handle sections are respectively inclined forward and the included angles with the plumb line are 0-30 degrees.

In the universal headrest device of the chair according to the present invention, each bracket also has a pillow connecting section connected between the handle section and the pillow unit, and the pillow unit includes a pillow piece, and two Both sides of the headrest piece are combined with a mounting mechanism mounted on the pillow segment.

In the universal headrest device of the chair according to the present invention, each mounting mechanism has a mounting part with one end arranged on the corresponding pillow segment and the other end fixed on the pillow.

In the universal headrest device of the chair according to the present invention, the installation mechanism respectively installs the pillow part on the pillow connecting section so that the pitch angle can be adjusted.

In the universal headrest device of the chair according to the present invention, the installation mechanism respectively installs the pillow part on the pillow connecting section in an adjustable up and down height.

In the universal headrest device of the chair according to the present invention, the second joint parts are respectively combined with the first joint parts in an integrated manner.

In the universal headrest device of the chair according to the present invention, the second joint parts are respectively detachably combined with the first joint parts in a socketed manner.

In the universal headrest device of the chair according to the present invention, the second joint parts are sleeved on the first joint parts respectively, and each second joint part has several one of the clip body, and each frame unit also includes a collar piece, and two screw lock pieces that detachably combine the opposite ends of the collar piece respectively, and the collar pieces respectively surround on the second joint part, so that the clip bodies of the second joint part are pressed and fastened to the first joint part respectively.

In the universal headrest device of the chair according to the present invention, each first joint part has an insertion hole, and the second joint parts are respectively inserted into the insertion holes of the first joint part.

The beneficial effect of the present invention is that: the headrest unit can provide the user's head to rest, reduce the burden on the user's neck, and indeed increase the comfort of use.

Description of drawings

Fig. 1 is a perspective view of a use state, showing the relationship between a first embodiment of the headrest device of the present invention and a chair;

Figure 2 is a side view of the first embodiment;

Figure 3 is a rear view of the first embodiment;

Fig. 4 is a perspective view of a use state, showing the relationship between a second embodiment of the headrest device of the present invention and a chair;

Fig. 5 is a perspective view of a use state, showing the relationship between a third embodiment of the headrest device of the present invention and a chair;

Fig. 6 is a perspective view of a use state, showing the relationship between a fourth embodiment of the headrest device of the present invention and a chair;

Fig. 7 is a perspective view of a use state, showing the relationship between a fifth embodiment of the headrest device of the present invention and a chair;

Fig. 8 is a perspective view of a use state, showing the relationship between a sixth embodiment of the headrest device of the present invention and a chair;

Fig. 9 is a perspective view of a use state, showing a seventh embodiment of the headrest device of the present invention and a chair;

Fig. 10 is a perspective view of an eighth embodiment of the headrest device of the present invention;

Fig. 11 is a partial perspective exploded view of the eighth embodiment;

Fig. 12 is a partial sectional schematic view of the eighth embodiment;

Fig. 13 is a schematic perspective view of a ninth embodiment of the headrest device of the present invention, in which one of the brackets of the ninth embodiment is detached;

Fig. 14 is a partial schematic side view of the ninth embodiment;

Fig. 15 is a partial perspective exploded view, separately showing a pillow unit of a tenth embodiment of the headrest device of the present invention;

Fig. 16 is a partial top view of the pillow unit of the tenth embodiment;

Fig. 17 is a perspective view of an eleventh embodiment of the headrest device of the present invention;

Fig. 18 is a schematic front view of a part of the eleventh embodiment.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings and embodiments. It should be noted that in the following description, similar elements are denoted by the same numerals.

Referring to Fig. 1, 2, 3, a first embodiment of the headrest device of the present invention can be installed on a chair 9, and said chair 9 comprises a chair (not shown) for a user to sit on, and A chair back 91 for the user to rest on. The chair back 91 has two upper and spaced first coupling portions 911 , and the headrest device is coupled and installed on the first coupling portions 911 of the chair back 91 . The chair 9 can specifically be an office chair, a chair used in a vehicle, an electric wheelchair, a chair used in a movie theater, a wheelchair, a chair of a mobility aid or a chair of an electric scooter, etc., as long as it is available for the user's back The chair 9 and the headrest device of the present invention are applicable, so the form of the chair 9 is no longer given. Since the structure and shape of the chair 9 are not the focus of the improvement of the present invention, no further description will be given.

The headrest device includes: two frame units 1 respectively coupled to the first coupling portion 911 , and a headrest unit 3 coupled between the frame units 1 .

Each rack unit 1 in this embodiment includes a bracket 2 . Each support 2 all has a chair connecting section 21 connected to one of the first joints 911, a pillow connecting section 22 connected to one side of the headrest unit 3, and a pillow connecting section 22 connected to the chair connecting section 21 and the pillow. The handle section 23 between the connecting sections 22. Wherein, the pillow connecting section 22, the handle section 23, and the chair connecting section 21 of each bracket 2 in this embodiment are sequentially and integrally connected from top to bottom. Of course, in practice, the structure of each bracket 2 is not limited to the aforementioned example.

Each chair segment 21 has a second joint portion 211 coupled to the corresponding first joint portion 911 . In this embodiment, the second combining parts 211 are combined with the first combining part 911 in an integrated manner, of course, the distance between the second combining part 211 and the first combining part 911 The way of combination can be fixed combination or detachable combination, without special limitation. It should be further explained that, the specific way of fixed combination is, for example, welding or integral molding described in this embodiment, and the specific way of detachable combination is, for example, inserting, socketing, screwing, etc., and no more examples are given.

The handle section 23 of each bracket 2 extends in a long straight line, and the handle sections 23 are respectively inclined forward, and the included angle α with a plumb line 81 is 0-30 degrees, and the handle section 23 They are inclined towards each other and the included angle β with the plumb line 81 is 0-30 degrees, so that the handle section 23 can conform to the inclination of the eyes of the two fists when an ordinary person lifts his hands forward and makes a fist. Angle position, to increase the comfort when holding the handle section 23 with both hands. Preferably, the included angle α is 10-20 degrees and the included angle β is 10-20 degrees, more preferably, the included angle α is 12-15 degrees and the included angle β is 12-15 degrees, which is more in line with ergonomic requirements .

The headrest unit 3 of this embodiment includes a headrest piece 4 and two mounting mechanisms 5 for respectively combining two sides of the headrest piece 4 to the pillow connecting section 22 . Each mounting mechanism 5 has a mounting part 51 with one end disposed on the corresponding pillow segment 22 and the other end fixed on the pillow 4 .

When in use, the pillow 4 can be used for the user's head to lean against, so the user's neck is naturally upright, reducing the burden on the user's neck, thereby increasing the comfort of use, and also preventing the neck from being damaged due to long-term problems. Lesions caused by posture. It is worth mentioning that, when the chair 9 is a wheelchair, compared with the handle of a general wheelchair, it only extends outwards upright and does not conform to the angle of the fist when ordinary people make a fist. Therefore, holding the handle of a general wheelchair People who push wheelchairs are prone to musculoskeletal injuries. On the other hand, in this embodiment, the handle sections 23 of the bracket 2 are further designed to be inclined towards each other and then tilted forward respectively. At the same time, it conforms to the angle position that the eyes of the two fists are tilted when the common people raise their hands forward and make a fist, so the person who pushes the chair 9 can easily apply force without causing extra burden on the hands.

It can be seen from this that not only the head of the seated user can rest comfortably on the headrest unit 3 of the headrest device, but another user who assists in pushing the chair 9 can also comfortably hold the seat of the frame unit 1. The handle section 23 pushes the chair 9 with an applied force, so the headrest device of this embodiment can indeed increase the comfort during use.

Referring to Fig. 4, a second embodiment of the headrest device of the present invention is substantially the same as the first embodiment, the difference between the two is: the second joint portion 211 of the headrest device and the first joint portion 211 of the chair 9 The combination of the combination part 911.

The chair 9 is in the form of an office chair, a chair used in a vehicle, an electric wheelchair, and a chair used in a movie theater, and each first joint portion 911 of the chair 9 has a plug hole 912, and this In the embodiment, the second combining parts 211 are respectively detachably inserted into the insertion holes 912 of the first combining parts 911 .

Referring to Fig. 5, a third embodiment of the headrest device of the present invention is substantially the same as the first embodiment, the difference between the two is: the second joint portion 211 of the headrest device and the first joint portion 211 of the chair 9 The combination of the combination part 911.

The second combination part 211 of this embodiment has an insertion hole 212, and the chair 9 is in the form of a wheelchair, and each first combination part 911 of the chair 9 is detachably inserted in the The second coupling portion 211 is inserted into the socket hole 212 . In other words, the second combining parts 211 of this embodiment are respectively detachably combined with the first combining parts 911 in a sleeve manner.

It is further explained that, in use, each first joint part 911 of the chair 9 can be a handle of a general wheelchair, and the second joint parts 211 are respectively detachably combined with the first joint part 911 The above design allows the headrest device to be assembled on the chair 9 or detached from the chair 9 according to the needs, thereby improving the flexibility in use and making it easy to use, and when the headrest device is assembled on the chair 9 At this time, the grip section 23 of the bracket 2 of the headrest device can be used as a handle, and through the grip section 23, it conforms to the structural design of the angle position of the angle of the eyes of the two fists when the hands of ordinary people are lifted up and the fist is made. Furthermore, the burden on the hands pushing the chair 9 can be reduced.

Referring to Fig. 6, a fourth embodiment of the headrest device of the present invention is substantially the same as the third embodiment, the second joint parts 211 are respectively sleeved on the first joint parts 911, the difference between the two That is: each shelf unit 1 of this embodiment further includes a screw lock 11, and the screw locks 11 can respectively thread through the second joint 211 and abut against the first joint 911, so that all The first joint parts 911 press against the second joint parts 211 respectively, so as to improve the joint stability between the headrest device and the chair 9 .

Referring to Fig. 7, a fifth embodiment of the headrest device of the present invention is substantially the same as the third embodiment, the second joint parts 211 are respectively sleeved on the first joint parts 911, the difference between the two In this embodiment, each second combining portion 211 has a plurality of clamping pieces 213 surrounding one of the first combining portions 911 at intervals. In this embodiment, each rack unit 1 further includes a collar 12 , and a screw lock 11 detachably screwed to the opposite end of the collar 12 . The collar members 12 respectively surround the second joint part 211, so that the clip bodies 213 of the second joint part 211 are pressed to fix the first joint part 911 respectively, so as to improve the headrest device Combination stability with the chair 9.

Referring to Figure 8, a sixth embodiment of the headrest device of the present invention is substantially the same as the third embodiment, the second joint parts 211 are respectively sleeved on the first joint parts 911, the difference between the two In this embodiment, each second combining portion 211 has a surrounding body 214 that is C-shaped in cross section and surrounds one of the first combining portions 911, and two substrate bodies respectively disposed on opposite ends of the surrounding body 214 215. And each frame unit 1 of the present embodiment also includes a screw lock piece 11, and the screw lock piece 11 is respectively threaded through the substrate body 215 of the second joint portion 211 so that the surrounding body 214 is pressed and fixed respectively. The first combining portion 911 improves the stability of the combination between the headrest device and the chair 9 .

Referring to FIG. 9 , a seventh embodiment of the headrest device of the present invention is substantially the same as the first embodiment, the difference between the two is that the mounting part 51 of the mounting mechanism 5 can adjust the pitch of the headrest part 4 respectively. It is installed on the pillow connecting section 22 at an angle. Specifically, each pillow segment 22 has a slot 221 , and the mounting parts 51 of the mounting mechanism 5 are respectively arranged on opposite sides of the pillow part 4 and arranged along an axis 82 . The mounting pieces 51 are respectively rotatably inserted into the slots 221 of the pillow connecting section 22 , so that the headrest piece 4 can rotate around the axis 82 . Of course, in practice, the positions of the slot 221 and the mounting member 51 can also be interchanged.

It can be seen that the pillow 4 of this embodiment can rotate around the axis 82, so that it is convenient to adjust a suitable angle of rest during use, so that the pillow 4 can be snugly attached to the user's head, which is quite humanized and can be further improved. Increased comfort during use.

Referring to Figures 10, 11 and 12, an eighth embodiment of the headrest device of the present invention is substantially the same as the seventh embodiment, the difference between the two lies in the way the headrest device adjusts the angle, wherein, due to the The structures of the mounting mechanisms 5 are all the same, so only one of the mounting mechanisms 5 is shown in FIGS. 11 and 12 .

Each mounting part 51 of this embodiment has a pivoting slot 511 and a plurality of limiting protrusions 512 located in the pivoting slot 511 . Each mounting mechanism 5 also has a rotation adjustment member 52 rotatably accommodated in the pivot groove 511 of the installation member 51, and a rotation adjustment member 52 is rotatably installed in the pivot groove 511. Shaft member 53.

Each rotation adjustment member 52 has an annular rotating ring body 521, a shaft connecting body 522 arranged in the rotating ring body 521 and provided for the shaft member 53 to pass through, and two rotating ring body 521 and the rotating shaft body 52 respectively. A through opening 523 defined by the shaft connecting body 522 and located on the opposite side of the shaft connecting body 522 , and a plurality of limiting holes 524 disposed on the rotating ring body 521 . The limiting protrusions 512 of each mounting member 51 are detachably embedded in the limiting holes 524 of the corresponding rotation adjusting member 52 to limit the rotation of the rotating adjusting member 52 .

The pillow 4 has a pillow portion 41 for the user's head to rest on, and two combination portions 43 (only one of which is shown in the figure) arranged on opposite sides of the pillow portion 41 . One end of each combination part 43 is fixedly arranged on the pillow part 41, while the other end passes through the two piercing openings 523 of the corresponding rotating adjustment part 52 and goes around the shaft connecting body 522 before being detachable. Ground combined on the pillow 41. Wherein, the above-mentioned detachable combination method is specifically such as snap-fitting, bonding, etc., which need not be limited, and in this embodiment, the detachable combination is achieved through Velcro.

Referring to Figures 13 and 14, a ninth embodiment of the headrest device of the present invention is substantially the same as the first embodiment, the difference between the two is that the headrest unit 3 can adjust its height for leaning on.

The mounting part 51 of each mounting mechanism 5 of this embodiment has a socket portion 513 that is detachably socketed on the pillow connecting section 22 of the corresponding bracket 2, and a socket portion 513 formed by the socket portion 513. The angle extends forward and is assembled to the mounting portion 514 on one side of the pillow 4 . The pillow piece 4 has a concave pillow surface 411 for resting on.

The headrest unit 3 of this embodiment can be switched between a first position shown by a solid line in FIG. 14 and a second position shown by a dotted line in FIG. 14 . When the headrest unit 3 is at the first position, the installation portion 514 of each installation member 51 extends upwards, thereby raising the position of the headrest member 4 installed between the installation portions 514, and making The pillow surface 411 of the pillow 4 faces upward. And when the headrest unit 3 is in the second position, the installation part 514 of each installation part 51 extends downwards, thereby lowering the position of the headrest part 4 installed between the installation parts 514 and making the headrest part 4 lower. The pillow surface 411 of the pillow 4 faces downward.

It can be seen that, through the design that the sleeve parts 513 of the mounting part 51 are respectively detachably sleeved on the bracket 2, the headrest unit 3 can be disassembled between the first position and the second position. In addition, the height of the pillow surface 411 of the headrest 4 can be adjusted. The aforementioned innovative structural design allows the headrest unit 3 to easily and simply adjust to the height of the neck of different users, thereby increasing the headrest device. scope of application.

Referring to Figures 15 and 16, a tenth embodiment of the headrest device of the present invention is substantially the same as the ninth embodiment, and the mounting parts 51 of the mounting mechanism 5 respectively install the headrest 4 in the height adjustable up and down. On the bracket (not shown), the difference between the two is: the way the headrest unit 3 adjusts the height.

Each mounting part 51 of this embodiment has a socket part 513 that is detachably socketed on the corresponding bracket 2, and a socket part 513 that extends forward from the socket part 513 and is assembled on the pillow part 4. side mounting portion 514 . Each mounting portion 514 has two through openings 515 arranged vertically at intervals. The pillow 4 has a pillow 41 for the user's head to rest on, and several combination parts 43 arranged at intervals up and down on the opposite side behind the pillow 41 . One end of each combination part 43 is fixedly disposed on the pillow part 41 , and the other end can pass through the opening 515 of the corresponding mounting part 514 and then detachably combined with the pillow part 41 . Wherein, the above-mentioned detachable combination method is specifically such as snap-fitting, bonding, etc., which need not be limited, and in this embodiment, the detachable combination is achieved through Velcro.

That is to say, the mounting part 51 of each mounting mechanism 5 is detachably assembled on one of the combination parts 43 on one side of the headrest part 4 . During use, the headrest piece 4 can be adjusted to an appropriate height, so that the positions of several combination parts 43 of the headrest piece 4 correspond to the installation parts 514 of the installation part 51 respectively, and then the combination parts corresponding to the aforementioned positions can be 43 passes through the through opening 515 of the mounting part 514 and then is combined with the pillow part 41 to complete the height adjustment operation. The aforementioned innovative structural design makes the headrest unit 3 easily and simply adjustable to meet the needs of different users.

Referring to Figures 17 and 18, an eleventh embodiment of the headrest device of the present invention is substantially the same as the ninth embodiment, the difference between the two lies in the manner in which the headrest unit 3 adjusts its height.

The mounting part 51 of each mounting mechanism 5 in this embodiment has a socket portion 513 that is detachably socketed on the pillow connecting section 22 of the bracket 2 corresponding thereto, and one end is pivotally connected to the socket portion 513 and the other end is pivotally connected to the mounting portion 514 of the pillow 4 . The pillow 4 has a pillow 41 for the user's head to rest on, and a seat 44 for the pillow 41 and the opposite sides are respectively pivotally connected to the mounting parts 514 .

When in use, the mounting portion 514 is pivotally connected between the sleeve portion 513 and the seat portion 44, so that the headrest 4 can be adjusted in height up and down as shown in FIG. 18 to meet the needs of different users. . As for the specific structure of the mounting portion 514 being pivotally connected between the socket portion 513 and the seat portion 44 , there is no limitation, and it is not the focus of the improvement of the present invention, so it will not be described in detail.

In summary, the headrest device of the present invention is installed on the chair, and the headrest unit can provide the user's head to rest, so the user's neck is naturally upright, reducing the burden on the user's neck. This increases the comfort of use and prevents neck lesions caused by long-term bad posture. Preferably, the handle sections of the bracket are designed to be inclined towards each other and then tilted forward respectively. The above-mentioned humanized innovative structure increases the comfort when holding the handle section of the frame unit, which is convenient for applying force while It also prevents hand injuries. More preferably, the design of the angle of the resting pillow surface of the pillow can be adjusted, which is convenient for adjusting a suitable resting angle during use, so that the resting pillow surface can fit snugly against the user's neck, which is quite humanized. It can also further increase the comfort during use. In addition, the height-adjustable design of the headrest unit can be adjusted according to the neck heights of different users, thereby increasing the application range of the headrest device.

Claims (10)

1. A universal headrest device for a chair, the chair comprises two spaced first joint parts, and the headrest device comprises: a pillow unit, and two joints respectively combined with the first joint part and The frame unit between the pillow units; it is characterized in that: each frame unit includes a bracket, each bracket has a handle segment, and a chair connecting segment connecting the handle segment and one of the first joint parts , each chair segment has a second joint portion coupled to the corresponding first joint portion. 2. The universal headrest device for chairs according to claim 1, characterized in that: the handle section of each bracket extends in the long direction, and the handle sections are inclined to each other and are respectively aligned with a plumb line. The included angle is 0-30 degrees, and the handle segments are respectively inclined forward and the included angles with the plumb line are 0-30 degrees. 3. The universal headrest device for chairs according to claim 1 or 2, characterized in that: each bracket also has a pillow connecting section connected between the handle section and the headrest unit, and the headrest The unit includes a pillow, and two installation mechanisms respectively combining the two sides of the pillow to the pillow connecting section. 4. The universal headrest device for chairs according to claim 3, characterized in that: each mounting mechanism has a mounting piece with one end set on the corresponding pillow section and the other end fixed on the pillow . 5 . The universal headrest device for chairs according to claim 3 , wherein the installation mechanism respectively installs the headrest piece on the pillow section so that the pitch angle can be adjusted. 5 . 6 . The universal headrest device for chairs according to claim 3 , characterized in that: the installation mechanism respectively installs the headrest piece on the pillow section in an adjustable up and down height. 7 . 7 . The universal headrest device for chairs according to claim 1 or 2 , characterized in that: the second joint parts are respectively combined with the first joint parts in an integrated manner. 8 . 8 . The universal headrest device for chairs according to claim 1 or 2 , characterized in that: the second joint parts are respectively detachably coupled to the first joint parts in a socketed manner. 9 . 9. The universal headrest device for chairs according to claim 8, characterized in that: the second joint parts are sleeved on the first joint parts respectively, and each second joint part has several surrounding one of the clip bodies of the first coupling portion at intervals, and each frame unit further includes a collar piece, and two screw locks detachably combining opposite ends of the collar piece respectively The collar pieces respectively wrap around the second joint parts, so that the clip bodies of the second joint parts are forced to fix the first joint parts respectively. 10. The universal headrest device for chairs according to claim 8, each of the first joints has an insertion hole, and it is characterized in that: the second joints are respectively inserted into the first joints in the socket socket.